Richard murdoch



R. MURDOCK,

SUSPENDING SCALE PAN.

No. 75,448. Patented Mar. 10, 1868.

Invenov Wnesges: g Zaw/ @f/ y@ i @w/w/ lnitnh -ttt-trs gntrtt @fittekLeners Pennino. 75,448, dans Mami' 1o, 186.8.

IMPROVEMENT Ih!A SUSPENDING ,SCALE-FANS.

dL-t Stigrhnlt refrttrh tu in tlgtst' Enters Entertain making pnt nt tintiene.

'TO ALLWHOM I'l MAY CONCERN:

De it known that I, RrcnsnnMunnoon, of the `city and county ofBaltimore, and State of Maryland, have invented a new and improvedFolding Bow-Dish for Spring- Balances and I ,do hereby declare that thefollowing is-a full, clear, and exact description of the `consti-actionand operation of the same, reference being had' to the annexed drawing,making a part of this specilcation, in which- Figure l is asideelevation.

Figure 2 isa similar view, showing the arms folded. A

Figure 3 is a sideelevation, showin'gfiniblack, thearms extended, andi'ired, the same folded.

Figline 4 is a. top view.

Inthis invention, the dish or 'platform upon which the articles areplaced, to b e weighed by a spring-balance,

is supported at its four corners by arms',l bowed or curved outwards,and so arranged that they oanhereadily fixed in position or not, and,when not in use, can be folded together upon the dish, so as to occupybut little room.

The dish used to support the articles weighed hy spring-balances' hasheretofore been hung to the slide bychains attached to-it around itsperiphery, and coming together ,over its centre, where they hook to theslide or spring of the balance. Proceeding thus, in a straight line'from the edges of the dish to the point where they zmeet,they take upthe space required to conveniently hold theartieles to be weighed,unless the latter are very snia'll in bulk, and in this manner interferewith the proper operation ofthe instrument.

To'remedy this, I have constructed a dish, the body of which isrepresented in thedrawing at Aan'd which has on each side a. pairof'arms, a a', hinged to the corners of thedish, and coming togetherover its centre, where one pair is connected by a. ring', r, and theother by a ring, r', the two, on each eide, being connected together,but not connected with those on the opposite side. The two arms a a, ora' a', on either side of the-dish, may, as shown in the drawing, be.formed of a. single rod, bent into a loop at r or r', and'hinged at itsends to the dish. The rings or loops r r", while the nstrumentis inoperation, are held by a hook upon the lower end of the slide of Athebalance. The arms a a are formedof'stiff metallic rods, bent into theform ofbows, and so attached that their concave side feces the dish, bywhich arrangement much more room isprovided to receive articles forweighing than when chains or straight rods are employed. When theinstrument isnot connected with the balance, the arms a a may be foldeddown together upon the dish A, in the manner shown in figs. 2,3, and 4,so as to save room in packing. The dish may be providedwith short,-stout standards s s, projecting upward, and slightly outward from the pivotby which the arms are attached to the dish, in such a position as tostand parallel to and in contact with the arms, when the latter areextended; and it may also be provided with rings or ferrulcs', t t,enclosing the lowercnd of the arms, and when the arms are in theposition just described, cfapable of slipping over the standards also,as seen in iig. 1, and thus rigidly fastening the arms ,to thestandards, andpreventing the former from folding together until therings are slipped up and removed frnrn thestandards. This constructionwill give the instrument all the advantages of rigid arms or hails, whenrequired, and when they are not needed, will allow the bails to folddown on the dish, out of the way..

The wholcinstrumcnt is neat in appearance, andvcan be convenientlytransported orpacked awa-y when not in use. i

Having thus described my invention, what I claim as new, and desire tosecure by Letters Pate-nt, is-- 1. I claim a dish for spring-balances,constructed with two or more bow'ed arms, a a', so -operating that theycan he folded together when not in use, substantially as described.

2. I claim thc combination of the standards 'e e, sliding rings t t, andpivoted arms or bales a a', substen` tialiy as and for the' purposes setforth.

RICHARD MURDOCH. Witnesses Cms. A. Pnrrrr, SoLeN C. KnMoN.

